Wells Fargo apologizes for bank statement mixup

Wells Fargo sent the wrong bank statements to customers in Florida and South Carolina, but wouldn't say how many.

NEW YORK (CNNMoney) -- Wells Fargo admits that it sent the wrong bank statements to customers in Southern states -- but it wouldn't confirm news reports that thousands were affected.

"We're not disclosing the number of customers affected, but one affected is one too many," said Wells Fargo spokeswoman Aimee Worsley. "We deeply regret that we let our customers down; we are sorry for any inconvenience it's caused."

Wells Fargo (WFC, Fortune 500), based in Charlotte, N.C., said that some of the September bank statements sent to customers in Florida and South Carolina were mixed in with statements from other customers.

Wells Fargo blamed a faulty printer, which is no longer being used, and said that there's no significant security risk to bank accounts.

"We believe the risk of compromising a customer account is low," said Worsley. "We are providing all customers that were affected by the malfunctioning printer with one year of free identity theft protection."